nanette morris, rn, ba, nbct anatomy & physiology health careers academy
TRANSCRIPT
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Nanette Morris, RN, BA, NBCT
Anatomy & Physiology
Health Careers Academy
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Nanette Morris, RN, BA, NBCT
THE MUSCULAR SYSTEM
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Nanette Morris, RN, BA, NBCT
Muscular System
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Nanette Morris, RN, BA, NBCT
THE MUSCULAR SYSTEMTHE COMPOSITION
MUSCLES TENDONS & FASCIA
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Nanette Morris, RN, BA, NBCT
THE MUSCULAR SYSTEMPROPERTIES
Excitability: the ability to respond to a stimulus
Contractibility: the ability to contract Extensibility: the ability to stretch Elasticity: the ability to return to original
shape
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Nanette Morris, RN, BA, NBCT
THE MUSCULAR SYSTEMTYPES
INVOLUNTARY:– CARDIAC: the heart– VISCERAL OR SMOOTH: internal organs
VOLUNTARY:– SKELETAL: the bones
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Nanette Morris, RN, BA, NBCT
THE MUSCULAR SYSTEMTHE MOVEMENTS
ADDUCTION: towards ABDUCTION: away from FLEXION: decrease the angle EXTENSION: increase the angle ROTATION: circular
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Nanette Morris, RN, BA, NBCT
THE MUSCULAR SYSTEMTHE TONE
MUSCLE TONE: normal, steady partial contraction
ATROPHY (shrinkage) CONTRACTURES (severe tightening of
flexors) occur from lack of use
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Nanette Morris, RN, BA, NBCT
THE MUSCULAR SYSTEMTHE DISEASES
Muscular Dystrophy: chronic & progressive muscle atrophy
Myasthenia Gravis: interrupted nerve impulses
Spasms: involuntary cramping Strain: overstretching
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Nanette Morris, RN, BA, NBCT
Muscular System Video
http://health.howstuffworks.com/adam-200005.htm
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Nanette Morris, RN, BA, NBCT
Summary The end, my friend
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Nanette Morris, RN, BA, NBCT
THE CIRCULATORY SYSTEMAKA
THE CARDIOVASCULAR SYSTEM
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Nanette Morris, RN, BA, NBCT
The Circulatory System
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Nanette Morris, RN, BA, NBCT
THE CIRCULATORY SYSTEMTHE COMPOSITION
THE HEART
THE BLOOD VESSELS
THE BLOOD
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Nanette Morris, RN, BA, NBCT
THE CIRCULATORY SYSTEMTHE FUNCTION
TRANSPORTS O2 & NUTRIENTS TO THE BODY CELLS
TRANSPORTS CO2 & WASTES AWAY FROM BODY CELLS
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Nanette Morris, RN, BA, NBCT
The Circulatory System
Diseases:
Anemia: Low RBC count
Arteriosclerosis: hardening of arterial walls
Hypertension: high blood pressure
Leukemia: malignant disease of bone marrow or lymph tissue
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Nanette Morris, RN, BA, NBCT
Cardiovascular Videos
Cardiovascular System.webloc
The Heart.webloc
Blood Flow.webloc
Nutrient Exchange.webloc
Red Blood Cell Productio#10C19F
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Nanette Morris, RN, BA, NBCT
Summary, The end, my friend